Home / 960,173.05-1,440,646.86-427,329.64

Finding the Fourth Proportional to 960,173.05, 1,440,646.86 and 427,329.64

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Solution

The fourth proportional to 960,173.05, 1,440,646.86 and 427,329.64 is: 641,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,173.05 : 1,440,646.86 = 427,329.64 : x
  2. Step 2: Convert to fraction form
    960,173.05/1,440,646.86 = 427,329.64/x
  3. Step 3: Cross multiply
    960,173.05x = 1,440,646.86 × 427,329.64
  4. Step 4: Simplify right side
    960,173.05x = 615,631,096,847.70
  5. Step 5: Solve for x
    x = 615,631,096,847.70/960,173.05
  6. Step 6: Final answer
    x = 641,166.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.